A base is a substance that accepts hydrogen ions. When a base is dissolved in water, the balance between hydrogen ions and hydroxide ions shifts the opposite way.
I don’t know if this is what your looking for or not
Explanation: The number of atoms for each element in the formula are calculated by looking at the subscripts and the coefficient. The calculation is given as Al atoms =2x1, S atoms = 3x1 and O atoms = 3x4.
